%I #6 Dec 18 2015 18:17:57
%S 1,64,716430,93604950539,314892411482182670,40799258353982022255077487
%N Number of n X n 0..7 arrays with every nonzero element less than or equal to some NW, E or S neighbor
%C Diagonal of A203262
%e Some solutions for n=4
%e ..2..3..0..6....4..5..2..0....6..0..1..0....5..3..2..3....7..2..5..7
%e ..4..6..3..6....6..5..7..3....7..0..5..1....6..4..1..5....7..0..0..7
%e ..2..6..7..6....6..4..7..3....7..0..5..3....7..3..5..5....7..2..7..7
%e ..3..6..7..7....6..6..7..7....7..7..5..5....7..7..4..5....7..7..4..7
%K nonn
%O 1,2
%A _R. H. Hardin_ Dec 30 2011
|